Speaker



FIG. 1 is a front perspective view of a speaker showing the new design, with the speaker arranged in a first position;

FIG. 2 is a front view of the speaker with the speaker arranged in the first position;

FIG. 3 is a side view of the speaker;

FIG. 4 is a top view of the speaker;

FIG. 5 is a back view of the speaker;

FIG. 6 is a back perspective view of the speaker;

FIG. 7 is a cross-sectional view of the speaker arranged in the first position, taken in the direction of line 7-7 in FIG. 2;

FIG. 8 is a cross-sectional view of the speaker arranged in a second position, taken in the direction of line 8-8 in FIG. 10;

FIG. 9 is a front perspective view of the speaker with the speaker arranged in the second position; and,

FIG. 10 is a front view of the speaker with the speaker arranged in the second position.

The broken lines in the drawings depict portions of the speaker that form no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 